5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)norvaline InChI=1/C9H13N3O4/c10-6(8(14)15)2-1-4-12-5-3-7(13)11-9(12)16/h3,5-6H,1-2,4,10H2,(H,14,15)(H,11,13,16 norvaline, 5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)-